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Negative refractive index

Dual-Band Terahertz Chiral Metamaterial with Giant Optical Activity and Negative Refractive Index Based on Cross-Wire Strucure

Dual-Band Terahertz Chiral Metamaterial with Giant Optical Activity and Negative Refractive Index Based on Cross-Wire Strucure

... Abstract—In this paper, a dualband chiral metamaterial (CMM) based on cross-wire structure is proposed and studied numerically. It exhibits dual-band giant optical activity and negative refractive ...

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Topological insulator metamaterials with tunable negative refractive index in the optical region

Topological insulator metamaterials with tunable negative refractive index in the optical region

... as negative refractive index and cloaking ...of negative-refractive-index MMs [8-11], owing to the cou- pling between surface plasmons counterpropagating on the two closely ...

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A Negative Refractive Index Metamaterial Based on a Cubic Array of Layered Nonmagnetic Spherical Particles

A Negative Refractive Index Metamaterial Based on a Cubic Array of Layered Nonmagnetic Spherical Particles

... negative refractive index appears: k 0 p ' ...which negative refractive index occurs) differ by less than 4% for the permittivity and less than 3% for the ...

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Giant Optical Activity and Negative Refractive Index Using Complementary U-Shaped Structure Assembly

Giant Optical Activity and Negative Refractive Index Using Complementary U-Shaped Structure Assembly

... simultaneously negative permittivity and ...achieve negative refraction by utilizing material chirality has been theoretically proposed and investigated [11, ...and negative refractive ...

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Low Loss, Broadband and Tunable Negative Refractive Index Metamaterial

Low Loss, Broadband and Tunable Negative Refractive Index Metamaterial

... the negative refractive index metamaterial (NRIM) predicted by Veselago [1] was experimentally realized by Smith et ...through negative refraction in a prism sample, much attention has been ...

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Research and Fabrication of an Antenna Based  on Meta-materials with Negative Refractive Index

Research and Fabrication of an Antenna Based on Meta-materials with Negative Refractive Index

... with negative refractive index is 3 vectors of electromagnetic (E, H, k) waves obey the left-handed ...a negative refractive index are also known as the left-handed metamaterials ...

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Negative Refractive Index Behavior through
 Magneto-Electric Coupling in Split Ring Resonators

Negative Refractive Index Behavior through Magneto-Electric Coupling in Split Ring Resonators

... Abstract—An investigation on the possibility of obtaining a negative refractive index behavior in split ring resonators (SRRs) through magneto-electric coupling is presented. We have performed ...

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Acoustic wave science realized by metamaterials

Acoustic wave science realized by metamaterials

... effectively negative permeability and permittivity in 1999 [2, ...for negative refractive index structures and have since been a subject of numerous studies in a wide variety of wave-matter ...

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Chiral metamaterials: enhancement and control of optical activity and circular dichroism

Chiral metamaterials: enhancement and control of optical activity and circular dichroism

... demonstrate negative refractive index [12] as shown in ...tive refractive index due to a strong chirality parameter of a twisted crosses array ...a negative refractive ...

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Design Rules for a Fabry-Perot Narrow Band Transmission Filter Containing a Metamaterial Negative-Index Defect

Design Rules for a Fabry-Perot Narrow Band Transmission Filter Containing a Metamaterial Negative-Index Defect

... the negative-index material (NIM) attracts much at- ...different negative refractive indices was reported by Sabah and Uckun ...of negative refraction can even be appropriately designed ...

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Optical Negative Index Metamaterial Using CSRR by Incidenting the Light Horizontally at Near Infrared Domain

Optical Negative Index Metamaterial Using CSRR by Incidenting the Light Horizontally at Near Infrared Domain

... a negative refractive index in terahertz regime at near-infrared ...the negative refrac- tive index, permeability and permittivity by using the S-parameter ...that negative ...

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Effect of temperature on optical properties of nanocrystalline ceramics Fe2Mn2Ni2Zn2O11

Effect of temperature on optical properties of nanocrystalline ceramics Fe2Mn2Ni2Zn2O11

... absorption spectrum method was applied to estimate the optical band gap. The sample was synthesized thermo chemically by solid state method at different treating temperatures. A characteristic feature of all solid-state ...

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Elemental analysis of glass optical fibres with high spatial resolution

Elemental analysis of glass optical fibres with high spatial resolution

... 3 The investigation of refractive index profiles in germanium doped fibres in order to discover any departures from the refractive index profile of the fibre preform.. 4 The investigatio[r] ...

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Thermally induced changes in optical properties of biological tissues

Thermally induced changes in optical properties of biological tissues

... the refractive index o f the ...the refractive index mismatch between the sample and the glass o f the slides between which the sample was ...

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Can ozone be used to calibrate aerosol photoacoustic spectrometers?

Can ozone be used to calibrate aerosol photoacoustic spectrometers?

... measured refractive index (for ni- grosin) or a refractive index determined from broadband ex- tinction measurements (for SRFA and PPFA) and Mie theory to calculate the known absorption for ...

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Manufacturing method of photonic crystal

Manufacturing method of photonic crystal

... in refractive indices or dielectric constants between the template and adjacent air becomes greater, which makes it possible to form a three-dimensional photonic crystal having a superior photonic ...

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Optical, thermal and dielectric studies of silver silica nanoparticles synthesized via sol gel technique

Optical, thermal and dielectric studies of silver silica nanoparticles synthesized via sol gel technique

... Keywords: dielectric properties, negative permittivity, refractive index, Silver Silica nanocomposite, sol-gel, various composition, thermal properties... Silver-silica nanocomposites Ag[r] ...

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Integrated photonic refractive index sensors

Integrated photonic refractive index sensors

... The Mach-Zehnder interferometer (MZI) is a two-path interferometer. A typical implemen- tation as integrated photonic sensor is shown in figure 1. In interferometers the output is determined by the superposition of the ...

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Statistical Models of the Troposphere Refractive Index

Statistical Models of the Troposphere Refractive Index

... the refractive index of the troposphere based on nested semi-Markov processes is ...the refractive index in season by locally Gaussian model is ...the refractive index, a new ...

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Refractive Index Determinations of Glass Fragments

Refractive Index Determinations of Glass Fragments

... In a previous paper the writer described an immersion procedure for refractive index determinations on glass fragments, in which dispersion effects were utilized as a guide to a proper e[r] ...

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